APA (7th ed.) Citation

Plutchik, R. (1994). The psychology and biology of emotion / Robert Plutchik. HarperCollinsCollegePublishers.

Chicago Style (17th ed.) Citation

Plutchik, Robert. The Psychology and Biology of Emotion / Robert Plutchik. New York, NY: HarperCollinsCollegePublishers, 1994.

MLA (9th ed.) Citation

Plutchik, Robert. The Psychology and Biology of Emotion / Robert Plutchik. HarperCollinsCollegePublishers, 1994.

Warning: These citations may not always be 100% accurate.